Calcium is most imprtant minerals & it maintain healthy bones and teeth. If a pregnant women don't consume enough calcium, the baby will actually use the calcium in mother?s bones. Phosphorus is important to the utilization of carbohydrates and fats for energy production. During pregnancy phosphorus is more important to the development of the fetus. Manganese is involved in the formation of cartilage and lubricating fluid in the joints and prevent osteoporosis. Boron helps reduce the loss of calcium and magnesium in the urine.